Car Circuit Tester 3-48V DC Test Light with Digital Display

【Accurate LED Digital Display】: The power circuit tester is designed with digital LED voltage display, which can read the voltage accurately. Bi-directional current and voltage test mode, you can connect the alligator clip to the negative or positive ground, the red light indicates the positive pole, and the green light indicates the negative pole. The readings are accurate and easy to read in daylight or dark areas. 【Safe and Durable】: Equipped with pure copper clips and insulating protective cover, which can better clamp the body and screws, this automotive heavy duty circuit tester provides insulation protection to prevent electric shock. The circuit board has a circuit protection function, which is safer and more resistant to burning. 【Easy to Use】: Connect the alligator clips to ground, then use the probes to test the circuit. Sharp steel probes easily pierce insulation to check circuits, help find broken wires and live, test fuses, light heads and live, quick and easy to find. 【Widely Application】: This professional automotive circuit tester light is designed for testing 3-24V DC voltage. Can be used to detect power, ground and find shorts and opens in wires. Quickly check car headlights, taillights, turn signal circuits, faulty sockets, connections, fuses, broken wires, and more. 【Exquisite Design】: Anti-bending design of the tail wire, no need to worry about bad contact of the line